CN220708278U - Online detection device for profile of valve rocker assembly support surface and center height - Google Patents

Online detection device for profile of valve rocker assembly support surface and center height Download PDF

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Publication number
CN220708278U
CN220708278U CN202322495865.7U CN202322495865U CN220708278U CN 220708278 U CN220708278 U CN 220708278U CN 202322495865 U CN202322495865 U CN 202322495865U CN 220708278 U CN220708278 U CN 220708278U
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China
Prior art keywords
measuring
detection device
measuring rod
bottom plate
valve rocker
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CN202322495865.7U
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Chinese (zh)
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王海
樊鹏
张锐
段富军
陈东昊
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Hubei Jianghua Machinery Co ltd
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Hubei Jianghua Machinery Co ltd
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Abstract

An on-line detection device with high profile and center of a valve rocker assembly support surface is used for manufacturing automobile parts. The two sides of the bottom plate are provided with workpiece positioning seats, and three measuring rod guide supports are respectively fixed at the outer sides of the workpiece positioning seats and the middle part of the bottom plate; measuring rod I, measuring rod III guide bar and measuring rod direction support guiding hole sliding fit of bottom plate both sides, measuring handle is equipped with to guide bar one end, and measuring open end cylinder and measuring end cylinder combination formula step shaft structure as an organic whole is adorned at the guide bar other end, and measuring open end cylinder is located measuring end cylinder outside, and the measuring rod direction that is located the bottom plate both sides supports the outside and is equipped with the stopper, and measuring rod II infinite bit block at bottom plate middle part, and the table frame is equipped with respectively at three measuring rod direction support tops. The utility model can be used for on-line rapid detection of the profile of the support surface of the rocker arm assembly and the high center, effectively ensures the measurement accuracy of the workpiece, is convenient and simple to use, can overcome the limitation of on-line detection, and can improve the manufacturing quality and the detection efficiency of products.

Description

Online detection device for profile of valve rocker assembly support surface and center height
Technical Field
The utility model relates to the technical field of automobile part manufacturing, in particular to a special rapid on-line detection device for detecting the profile of a valve rocker assembly support surface and the center height.
Background
In valve rocker assembly support processing production, have more functional assembly structures all to be the arcwall face, its face profile tolerance, central high accuracy requirement are higher, and be three-dimensional structure, and its precision directly influences valve rocker assembly's installation accuracy, must on-line quick detection, just can guarantee on-line quality judgement and high-efficient production. In the prior art, the detection is generally carried out by adopting universal methods such as three-coordinates, a flash tester, a profilometer and the like, the investment of detection equipment is large, high-skill detection personnel are required to be equipped for detection, the efficiency is low, the full detection cannot be realized, and the on-line detection and control in production are inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an on-line detection device with high profile and center of a valve rocker assembly support surface so as to realize on-line detection of the support by the detection device.
In order to achieve the purpose, two sides of a bottom plate of the on-line detection device are provided with workpiece positioning seats, three measuring rod guide supports are respectively fixed on the outer side of the workpiece positioning seats and the middle of the bottom plate, measuring rods I, II and III are respectively connected to the three measuring rod guide supports, and meter frames are respectively arranged at the tops of the three measuring rod guide supports.
Further, measuring rod I, measuring rod III's guide bar and measuring rod direction support guiding hole sliding fit of bottom plate both sides, measuring handle is equipped with to the one end of guide bar, measures end cylinder and make up as an organic whole step shaft structure, installs the other end at the guide bar, measures end cylinder and is located the outside of measuring end cylinder, and the measuring rod direction that is located the bottom plate both sides supports the outside and is equipped with the stopper that is used for restricting measuring handle axial displacement extreme position.
Further, one end of a guide rod of the measuring rod II in the middle of the bottom plate is in sliding fit with the measuring rod guide supporting guide hole, a measuring handle is arranged at the other end of the guide rod, the measuring end cylinder and the measuring end cylinder are combined into a whole, the step shaft is arranged on the guide rod, the measuring end cylinder is located on one side of the measuring handle, and the measuring end cylinder is located on one side far away from the measuring handle.
Further, the workpiece positioning seat is provided with an auxiliary positioning pin matched with a reference hole of the valve rocker assembly support; the upper plane of the workpiece positioning seat is matched with the bottom datum plane of the valve rocker assembly support; two auxiliary supports matched with the bottom datum plane of the valve rocker assembly support are arranged between the two workpiece positioning seats.
Further, one end of the dial indicator frame is connected with the measuring rod guide support through a rotating shaft, the dial indicator frame can rotate around the rotating shaft, the dial indicator is arranged at the other end of the dial indicator frame, and a scale mark, a fine adjustment locking bolt and a dial indicator measuring handle which are convenient to control position adjustment are arranged on a telescopic rod of the dial indicator; when the center height deviation of the support is measured, the dial indicator measuring contact is positioned above the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface.
Further, a measuring rod protective sleeve is placed on the bottom plate.
Further, a support center high standard block is placed on the bottom plate.
Compared with the prior art, the utility model can be used for rapidly and online detecting the surface profile and the center height of the support of the valve rocker assembly of the automobile engine, effectively ensures the measuring precision of a workpiece, is convenient and simple to use, solves the problem that the prior art has to adopt special detection equipment, special skill personnel to prepare and the like, has overlarge input cost, avoids the dependence on high-skill operators in the processing process, can overcome the limitation of online detection, is beneficial to improving the profile and the center height control of the arc-shaped surface structure of the support assembly, can improve the manufacturing quality and the detection efficiency of products, and reduces the production cost.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the dial indicator and the frame structure of fig. 1.
Fig. 3 is a schematic view of the valve rocker assembly mount of fig. 1.
In the figure: 1. a measuring handle; 2. a limiting block; 3. a measuring rod guide support; 4. a guide rod; 5. measuring a through end cylinder; 6. measuring a stop end cylinder; 7. a workpiece positioning seat; 8. auxiliary support; 9. auxiliary positioning pins; 10. a measuring rod protective sleeve; 11. a bottom plate; 12. a dial indicator; 13. a cambered surface I; 14. a cambered surface II; 15. a cambered surface III; 16. a cambered surface IV; 17. a bottom datum surface; 18. valve rocker assembly support; 19. fine tuning the locking bolt; 20. a watch stand; 21. a rotation shaft; 22. a dial indicator measuring contact; 23. a telescopic rod; 24. dial gauge measuring handle; 25. the center of the support is provided with a high standard block.
Detailed Description
As shown in fig. 1, 2 and 3, workpiece positioning seats 7 are arranged on two sides of a bottom plate 11 of the on-line detection device, and three measuring rod guide supports 3 are respectively fixed on the outer sides of the workpiece positioning seats 7 and the middle of the bottom plate 11; the meter frame 20, the measuring rod I, the measuring rod II and the measuring rod III are respectively connected to the three measuring rod guide supports 3, wherein the guide rods 4 of the measuring rod I and the measuring rod III can rotate in the guide holes of the measuring rod guide supports 3 and axially move, but cannot be pulled out; the guide rod 4 of the measuring rod II can rotate in the guide hole of the measuring rod guide support 3 and axially move, and can be pulled out; the measuring rod I and the measuring rod III are respectively used for detecting the profile of the first 13 cambered surface and the fourth 16 cambered surface of the valve rocker assembly support 18, the measuring rod II is required to be extracted after the profile of the second cambered surface 14 is detected, and then the measuring rod I and the measuring rod III are inserted into the guide hole again from the other side of the measuring rod guide support 3 so as to detect the profile of the third cambered surface 15. A pedestal central high standard block 25 is placed on the base plate 11.
Measuring rod I, measuring rod III's guide bar 4 and measuring rod direction support 3 guiding hole sliding fit of bottom plate 11 both sides, measuring handle 1 is equipped with to the one end of guide bar 4, and measuring open end cylinder 5 and measuring end cylinder 6 make up as an organic whole step shaft structure, adorn the other end at guide bar 4, and measuring open end cylinder 5 is located measuring end cylinder 6's outside, and measuring rod direction support 3 outside that is located bottom plate 11 both sides is equipped with the stopper 2 that is used for restricting measuring handle 1 axial displacement extreme position.
One end of a guide rod 4 of a measuring rod II in the middle of the bottom plate 11 is in sliding fit with a guide hole of a measuring rod guide support 3, a measuring handle 1 is arranged at the other end of the guide rod 4, a measuring end cylinder 5 and a measuring end cylinder 6 are combined into an integral stepped shaft to be arranged on the guide rod 4, the measuring end cylinder 6 is located on one side of the measuring handle 1, and the measuring end cylinder 5 is located on one side far away from the measuring handle 1.
One end of the meter frame 20 is connected with the measuring rod guide support 3 through a rotating shaft 21, and the meter frame 20 can rotate around the rotating shaft 21; the telescopic rod 23 of the dial indicator 12 is provided with a scale mark, a fine adjustment locking bolt 19 and a dial indicator measuring handle 24 which are convenient for controlling position adjustment; after the three dial indicators 12 are zeroed on the support center high standard block 25, the telescopic rod 23 is screwed on the dial indicators 12 through the fine adjustment locking bolt 19, at the moment, scales on the telescopic rod 23 correspond to the contact surface of the measuring rod guide support 3, and scale marks arranged on the telescopic rod 23 can facilitate the installation and adjustment of the upper and lower positions of the telescopic rod 23 due to the fact that the fine adjustment locking bolt 19 loosens after the dial indicators 12 are used for a long time; then, three dial indicators 12 are respectively mounted at the other ends of the meter frame 20. When the center height deviation of the support is measured, the dial indicator measuring contact 22 is positioned above the first cambered surface 13, the second cambered surface 14, the third cambered surface 15 and the fourth cambered surface 16.
The workpiece positioning seat 7 is provided with an auxiliary positioning pin 9 matched with a reference hole of the valve rocker assembly support 18, the upper plane of the workpiece positioning seat 7 is matched with a bottom reference surface 17 of the valve rocker assembly support 18, and two auxiliary supports 8 matched with the bottom reference surface 17 of the valve rocker assembly support 18 are arranged between the two workpiece positioning seats 7; accurate positioning of the valve rocker assembly support 18 can be realized through the workpiece positioning seat 7, the bottom datum surface 17 and the auxiliary positioning pins 9, and auxiliary positioning of the valve rocker assembly support 18 can be realized by means of the bottom datum surface 17 and the two auxiliary supports 8; a plurality of holes are formed in the auxiliary support 8 and are used for reducing the weight of the device and facilitating movement and operation; a measuring rod protective sleeve 10 is placed on the bottom plate 11, wherein the measuring rod II is taken out and inserted into the measuring rod protective sleeve 10 after the measurement is completed.
When the contour degree of each surface of the valve rocker assembly support 18 is detected, the valve rocker assembly support 18 is only required to be placed on the workpiece positioning seat 7, positioning is realized by means of the bottom datum plane 17, the auxiliary datum hole and the auxiliary positioning pin 9 of the valve rocker assembly support 18, then the measuring rod I, the measuring rod II and the measuring rod III are sequentially pushed in, the measuring end cylinder 5 of the measuring rod can be easily led into the structure part of the arc surface to be detected, then the measuring rod is continuously pushed in, the measuring end cylinder 6 cannot be pushed into the structure part of the arc surface to be detected, and the contour degree of the surface of the valve rocker assembly support 18 can be judged to be qualified at the moment.
After the surface profile testing is completed, the measuring rods I and III are respectively drawn outwards, the measuring rod II is drawn out, and the measuring end cylinder 5 and the measuring end cylinder 6 of each measuring rod leave the cambered surface I13, the cambered surface II 14, the cambered surface III 15 and the cambered surface IV 16. And then the dial indicator frame 20 is rotated to enable the dial indicator measuring head 22 to be in contact with the lowest point of each measuring cambered surface, the dial indicator measuring head 22 is slightly moved along the cambered surface 13, the cambered surface 14, the cambered surface 15 and the cambered surface 16, and the measurement of the central high deviation of the cambered surface and the judgment of whether the central high deviation is qualified or not can be completed through the indication value of the dial indicator 12. After detecting the center height deviation of the second arc surface 14, the middle dial indicator 12 needs to rotate 180 degrees, and then detects the center height deviation of the third arc surface 15.

Claims (7)

1. The utility model provides an on-line measuring device that valve rocker assembly support face profile tolerance and center are high which characterized in that: work piece positioning seats (7) are arranged on two sides of a bottom plate (11) of the online detection device, three measuring rod guide supports (3) are respectively fixed on the outer side of the work piece positioning seats (7) and the middle of the bottom plate (11), measuring rods I, II and III are respectively connected to the three measuring rod guide supports (3), and meter frames (20) are respectively arranged at the tops of the three measuring rod guide supports (3).
2. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: measuring rod I, measuring rod III's guide bar (4) and measuring rod direction support (3) guiding hole sliding fit of bottom plate (11) both sides, measuring handle (1) is equipped with to the one end of guide bar (4), and measuring end cylinder (5) and measuring end cylinder (6) are combined as an organic wholely step shaft structure, adorn the other end at guide bar (4), and measuring end cylinder (5) are located the outside of measuring end cylinder (6), are located the measuring rod direction support (3) outside of bottom plate (11) both sides and are equipped with stopper (2) that are used for restricting measuring handle (1) axial displacement extreme position.
3. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: one end of a guide rod (4) of a measuring rod II in the middle of the bottom plate (11) is in sliding fit with a guide hole of a measuring rod guide support (3), a measuring handle (1) is arranged at the other end of the guide rod (4), a measuring through end cylinder (5) and a measuring end stop cylinder (6) are combined into a whole, a stepped shaft is arranged on the guide rod (4), the measuring end cylinder (6) is located on one side of the measuring handle (1), and the measuring through end cylinder (5) is located on one side far away from the measuring handle (1).
4. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: an auxiliary locating pin (9) matched with a reference hole of the valve rocker assembly support (18) is arranged on the workpiece locating seat (7); the upper plane of the workpiece positioning seat (7) is matched with the bottom datum plane (17) of the valve rocker assembly support (18); two auxiliary supports (8) matched with a bottom datum plane (17) of a valve rocker assembly support (18) are arranged between the two workpiece positioning seats (7).
5. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: one end of the meter frame (20) is connected with the measuring rod guide support (3) through a rotating shaft (21), the meter frame (20) can rotate around the rotating shaft (21), the dial indicator (12) is arranged at the other end of the meter frame (20), and a scale mark, a fine adjustment locking bolt (19) and a dial indicator measuring handle (24) which are convenient to control position adjustment are arranged on a telescopic rod (23) of the dial indicator (12); when measuring the center high deviation of the support, the dial indicator measuring contact (22) is positioned above the first cambered surface (13), the second cambered surface (14), the third cambered surface (15) and the fourth cambered surface (16).
6. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: a measuring rod protective sleeve (10) is arranged on the bottom plate (11).
7. The on-line detection device for the profile and the center height of a valve rocker assembly support surface according to claim 1, wherein the on-line detection device is characterized in that: a support center high standard block (25) is arranged on the bottom plate (11).
CN202322495865.7U 2023-09-14 2023-09-14 Online detection device for profile of valve rocker assembly support surface and center height Active CN220708278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322495865.7U CN220708278U (en) 2023-09-14 2023-09-14 Online detection device for profile of valve rocker assembly support surface and center height

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322495865.7U CN220708278U (en) 2023-09-14 2023-09-14 Online detection device for profile of valve rocker assembly support surface and center height

Publications (1)

Publication Number Publication Date
CN220708278U true CN220708278U (en) 2024-04-02

Family

ID=90439233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322495865.7U Active CN220708278U (en) 2023-09-14 2023-09-14 Online detection device for profile of valve rocker assembly support surface and center height

Country Status (1)

Country Link
CN (1) CN220708278U (en)

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